1. Cardiac arrhythmias have occurred when this drug was used by patients taking the gastrointestinal promotility agent cisapride

2. Which is not a risk factor for hyperphosphatemia and death from sodium phosphate enemas when used in children?

3. Which of the following statements about adsorbant drugs used for diarrhea is true?

4. A 2-year-old child was brought to the emergency room 1 hour after ingestion of tablets he had managed to obtain from a bottle on top of the refrigerator. His symptoms included marked gastrointestinal distress, vomiting (with hematemesis), and epigastric pain. Metabolic acidosis and leukocytosis were also present. This patient is most likely to have ingested tablets containing

5. A gastric ulcer patient requires close follow-up to document complete ulcer healing because

6. Which laxative should not be used to treat acute constipation because of its slow onset of action?

7. A peptide that causes increased capillary permeability and edema is

8. Metronidazole is least likely to be effective in the treatment of

9. Mechanistically, which of the following drugs will decrease stomach acid secretion by blockade of H2 histaminic receptors?

10. Lansoprazole would be effective in the treatment of

11. Hepatitis B vaccine is least likely to be recommended for prophylactic use in

12. Which one of the following agents is least likely to protect the upper gastrointestinal tract from ulcer formation?

13. On your way to an examination you experience that vulnerable feeling that an attack of diarrhea is imminent. If you stopped at a drugstore, you could buy this antidiarrheal drug without a prescription even though it is related chemically to the strong opioid – analgesic meperidine

14. All of the following statements about stool softners are true except

15. All of the following vasoconstrictors are deemed safe and effective for the temporary relief of itching and swelling except

16. A vasodilator that can be inactivated by proteolytic enzymes is

17. All of the following statements about stool softeners are true except

18. Aluminum hydroxide is used to treat hyperphosphatemia associated with renal failure. Chronic use of aluminum hydroxide may cause all of the following conditions except

19. Which of the following statements concerning traveler’s diarrhea (TD) is true?

20. A patient is broght to the emergency room suffering from nausea, vomiting, and abdominal pain. He has muscle weakness, which seems to be progressing downward from the head and neck. The patient has difficulty talking clearly and has ptosis and ophthalmoplegia. The most likely cause of these symptoms is

21. Which one of the following drugs has no effect on prothrombin but increases the likelihood of bleeding in patients who are also taking warfarin?

22. Which of the following statements concerning traveler’s diarrhea (TD) is true?

23. Which of the following organisms has been implicated as a possible cause of chronic gastritis and peptic ulcer disease?

24. Your cousin is planning a three-week trip overseas and asks your advice regarding medications for traveler’s diarrhea. A drug suitable for noninfectious diarrhea is

25. A drug associated with the long QT syndrome and cardiac arrhythmias is